MasterCard paired up with Gwen Stefani this week to launch its "Priceless Surprises" campaign.
The idea is to surprise cardholders with gifts when they least expect it. In a splashy 30-second spot, Stefani…

Devika Bulchandani has been promoted to president of McCann XBC, the agency’s dedicated global MasterCard unit, succeeding Joyce King Thomas, who takes on the role of chairman.
Bulchandani has been working…